.TH "PAPI_num_events" 3 "Tue Jan 15 2013" "Version 5.1.0.2" "PAPI" \" -*- nroff -*-
.ad l
.nh
.SH NAME
PAPI_num_events \- 
.PP
Return the number of events in an event set.  

.SH SYNOPSIS
.br
.PP
.SH "Detailed Description"
.PP 
PAPI_num_events() returns the number of preset and/or native events contained in an event set. The event set should be created by \fBPAPI_create_eventset\fP .
.PP
\fBC Interface:\fP
.RS 4
#include <\fBpapi.h\fP> 
.br
 int PAPI_num_events(int  EventSet );
.RE
.PP
\fBParameters:\fP
.RS 4
\fIEventSet\fP -- an integer handle for a PAPI event set created by \fBPAPI_create_eventset\fP. 
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\fI*count\fP -- (Fortran only) On output the variable contains the number of events in the event set
.RE
.PP
\fBReturn values:\fP
.RS 4
\fIOn\fP success, this function returns the positive number of events in the event set. 
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\fIPAPI_EINVAL\fP The event count is zero; only if code is compiled with debug enabled. 
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\fIPAPI_ENOEVST\fP The EventSet specified does not exist.
.RE
.PP
\fBExample\fP
.RS 4

.PP
.nf
 // Count the events in our EventSet 
 printf(\'%d events found in EventSet.\\n\', PAPI_num_events(EventSet));

.fi
.PP
.RE
.PP
.PP
\fBSee also:\fP
.RS 4
\fBPAPI_add_event\fP 
.PP
\fBPAPI_create_eventset\fP 
.RE
.PP


.SH "Author"
.PP 
Generated automatically by Doxygen for PAPI from the source code.
